From pv magazine USA
The US consumer market for distributed energy resources (DERs) is on the verge of booming. The Solar Energy Industries Association estimates that nearly 5% of US owner-occupied homes now have rooftop solar. And energy storage is having its moment, with more storage deployed in 2021 than the prior five years combined.
What’s more, solar generation and energy storage are increasingly friendly, with one-third of new behind-the-meter solar systems installed by 2025 expected to incorporate energy storage. Overall, $110 billion is expected to be invested in DERs by 2025.
DERs can provide energy at a lower price than what the grid typically offers. They do so more cleanly while offering consumers greater resilience during adverse grid events. And despite commercial lenders’ unwillingness to adequately recognize it, DERs are also more widely available and cost-effective than ever. As researchers at Lawrence Berkeley National Laboratory have shown, solar adopters can come from a range of incomes, and financing options are gradually expanding to lower income groups, as well as to those with below-median home values and credit scores.
Much more DER deployment will be needed at scale to meet the Administration’s goal of achieving 100% clean electricity by 2035, and ensuring an equitable transition under its Environmental Justice 40 initiative will require intentional investment. Virtual power plants can catalyze DER deployment at scale and help make affordable, resilient, and clean energy accessible to all Americans.
A VPP is generally considered a connected aggregation of DER technologies – not only solar and battery storage, but increasingly grid-interactive efficient appliances and buildings, electric vehicle charging, and thermal energy storage. Aggregators, utilities, or grid operators, under terms agreed upon with participants, can remotely and automatically adjust DERs in this aggregation to provide clean energy, reliability, and grid services while maintaining customer comfort and productivity.
Through a combination of software and hardware, VPPs not only open the grid to a whole new utility-scale, behind-the-meter supply, but also coordinate disparate DERs into holistic, demand-flexible resources. Operators gain the flexibility to better reduce peak demand and, as a result, defer investment in additional capacity and infrastructure to serve a peak load that is expected to increase as we electrify the nation’s economy. VPP participants can receive compensation for services rendered and all the benefits that come with them. Everyone enjoys greater affordability and performance.
VPPs offer an exciting opportunity to create clean power solutions that are greater than the sum of their parts. The power plants may be virtual, but VPP technology’s potential to democratize the coming clean energy economy will be very real.
– Jigar Shah, director of the US Department of Energy Loan Programs Office
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